The PIM Source

The goal of PIM Source is to discuss challenges in locating and testing Passive Intermodulation (PIM) in the field, fundamentals of PIM measurements, and methods of preventing and/or eliminating PIM in cellular networks

  • Rollout of 5G Creates PIM Issues for Contractors, Mobile Operators

    Rollout of 5G Creates PIM Issues for Contractors, Mobile Operators

    A sound testing strategy that addresses new PIM concerns due to additional co-located sites with more antennas is necessary to achieve established KPIs associated with 5G and existing 4G LTE base...

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  • Rollout of 5G Creates PIM Issues for Contractors, Mobile Operators

    Rollout of 5G Creates PIM Issues for Contractors, Mobile Operators

    A sound testing strategy that addresses new PIM concerns due to additional co-located sites with more antennas is necessary to achieve established KPIs associated with 5G and existing 4G LTE base...

    Read Blog
  • Steps to Eliminate PIM at Macro Cell Sites to Achieve KPIs

    Steps to Eliminate PIM at Macro Cell Sites to Achieve KPIs

    Locating and removing PIM interfering with a macro cell site can be a magnitude of difficulty greater than conducting the same exercise on a rooftop or similar microcell. In this post, we will...

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  • Steps to Eliminate PIM at Macro Cell Sites to Achieve KPIs

    Locating and removing PIM interfering with a macro cell site can be a magnitude of difficulty greater than conducting the same exercise on a rooftop or similar microcell. In this post, we will...

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  • How to Overcome Rooftop PIM Challenges

    How to Overcome Rooftop PIM Challenges

    Given the multitude of possible PIM causes on roofs, implementing the proper testing process using the appropriate test kit is essential.

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  • How to Overcome Rooftop PIM Challenges

    How to Overcome Rooftop PIM Challenges

    Given the multitude of possible PIM causes on roofs, implementing the proper testing process using the appropriate test kit is essential.

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  • Benefits of 2-port Test Solutions in Identifying PIM on Co-located Sites

    Benefits of 2-port Test Solutions in Identifying PIM on Co-located Sites

    New 2-Port PIM test equipment is available to split the PIM test signals between the Band 14 and Band 17 antennas on a sector. This better simulates actual site conditions and helps focus...

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  • Benefits of 2-port Test Solutions in Identifying PIM on Co-located Sites

    Benefits of 2-port Test Solutions in Identifying PIM on Co-located Sites

    New 2-Port PIM test equipment is available to split the PIM test signals between the Band 14 and Band 17 antennas on a sector. This better simulates actual site conditions and helps focus...

    Read Blog
  • Six Steps to Diagnose PIM Problems on CPRI-Based Systems

    Six Steps to Diagnose PIM Problems on CPRI-Based Systems

    Anritsu's IQ Fiber Master™ MT2780A test solution has been developed to analyze PIM problems on a single or multi-carrier site in six easy steps.

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  • Six Steps to Diagnose PIM Problems on CPRI-Based Systems

    Six Steps to Diagnose PIM Problems on CPRI-Based Systems

    Anritsu's IQ Fiber Master™ MT2780A test solution has been developed to analyze PIM problems on a single or multi-carrier site in six easy steps.

    Read Blog
  • Effective PIM Testing Helps Ensure Network KPIs and Lower Operational Costs

    Effective PIM Testing Helps Ensure Network KPIs and Lower Operational Costs

    There are numerous environmental conditions that field engineers and technicians responsible for network performance need to be aware of to maintain key performance indicators (KPIs). When you...

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  • Effective PIM Testing Helps Ensure Network KPIs and Lower Operational Costs

    Effective PIM Testing Helps Ensure Network KPIs and Lower Operational Costs

    There are numerous environmental conditions that field engineers and technicians responsible for network performance need to be aware of to maintain key performance indicators (KPIs). When you...

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  • Efficient Methods to Diagnose PIM Problems on Multi-band Towers

    Efficient Methods to Diagnose PIM Problems on Multi-band Towers

    Most towers now support at least two or three bands. In fact, a single-band site is so rare in today’s wireless networks that some treat it like a Big Foot sighting. When you also consider the...

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  • Efficient Methods to Diagnose PIM Problems on Multi-band Towers

    Efficient Methods to Diagnose PIM Problems on Multi-band Towers

    Most towers now support at least two or three bands. In fact, a single-band site is so rare in today’s wireless networks that some treat it like a Big Foot sighting. When you also consider the...

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  • PIM Over CPRI Provides Effective Testing of 5G

    PIM Over CPRI Provides Effective Testing of 5G

    As cellular network density increases, passive intermodulation (PIM) effects are becoming more profound…and potentially more disastrous, especially when it comes to 5G. Though PIM is predominantly...

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  • PIM Over CPRI Provides Effective Testing of 5G, Other Modern Mobile Networks

    PIM Over CPRI Provides Effective Testing of 5G, Other Modern Mobile Networks

    As cellular network density increases, passive intermodulation (PIM) effects are becoming more profound…and potentially more disastrous, especially when it comes to 5G. Though PIM is predominantly...

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  • Solving the PIM Dilemma

    Solving the PIM Dilemma

    With all the talk about 5G New Radio (5G NR) being deployed, we are once again reminded of the conundrum of the overcrowded RF spectrum. Along those lines (pun intended), T-Mobile’s nationwide 5G...

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  • Solving the PIM Dilemma Associated with 600 MHz LTE Base Stations

    Solving the PIM Dilemma Associated with 600 MHz LTE Base Stations

    With all the talk about 5G New Radio (5G NR) being deployed, we are once again reminded of the conundrum of the overcrowded RF spectrum. Along those lines (pun intended), T-Mobile’s nationwide 5G...

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  • FirstNet Deployment Creates New PIM Challenges

    FirstNet Deployment Creates New PIM Challenges

    November 16, 2018 Passive Intermodulation (PIM) is a problem for every wireless network – commercial or private. With the rollout of the First Responder Network Authority (FirstNet) in the 700 MHz...

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  • FirstNet Deployment Creates New PIM Challenges

    FirstNet Deployment Creates New PIM Challenges

    November 16, 2018 Passive Intermodulation (PIM) is a problem for every wireless network – commercial or private. With the rollout of the First Responder Network Authority (FirstNet) in the 700 MHz...

    Read Blog
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